<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <script src="jstest.js"></script>
    <title>js</title>
</head>
<!--<body onload="onload()">-->
<!--<script type="text/javascript">-->
    <!--document.write("<h1>Title1</h1>")-->
<!--</script>-->
<br/>
&lt;
<br/>
&gt;
<br/>
<button type="button" onclick="alert('Hello World')">Alert</button>
<br/>
输入
<input id="input_text" type="text"/>
<br/>
<button type="button" onclick="check()">检测</button>
<br/>
</body>
<br/>
<p id="p">改变这里的文字</p>
<button type="button" onclick="change()">更改</button>
<br/>
<img id="img" src="../image/riven.jpg" width="128" height="128" onclick="changeImage()">
<br/>
<input type="button" value="3s" onclick="timing()"/>
<br/>
<input id="switchTime" type="button" value="开始计时" onclick="switchTime()"/>
<p id="Time">0</p>
</body>
</html>